{"schema":"threatline.record/2","record":{"id":"CVE-2019-1215","aliases":[],"summary":"Microsoft Windows Privilege Escalation Vulnerability","details":"Microsoft Windows contains an unspecified vulnerability due to the way ws2ifsl.sys (Winsock) handles objects in memory, allowing for privilege escalation. Successful exploitation allows an attacker to execute code with elevated privileges.","categories":["Operating systems"],"product":"Windows","vendor":"Microsoft","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2019-1215","source_modified_at":"2025-10-21T23:45:31.121Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Windows","vendor":"Microsoft","versions":[{"status":"affected","version":"7 for 32-bit Systems Service Pack 1"},{"status":"affected","version":"7 for x64-based Systems Service Pack 1"},{"status":"affected","version":"8.1 for 32-bit systems"},{"status":"affected","version":"8.1 for x64-based systems"},{"status":"affected","version":"RT 8.1"},{"status":"affected","version":"10 for 32-bit Systems"},{"status":"affected","version":"10 for x64-based Systems"},{"status":"affected","version":"10 Version 1607 for 32-bit Systems"},{"status":"affected","version":"10 Version 1607 for x64-based Systems"},{"status":"affected","version":"10 Version 1703 for 32-bit Systems"},{"status":"affected","version":"10 Version 1703 for x64-based Systems"},{"status":"affected","version":"10 Version 1709 for 32-bit Systems"},{"status":"affected","version":"10 Version 1709 for x64-based Systems"},{"status":"affected","version":"10 Version 1803 for 32-bit Systems"},{"status":"affected","version":"10 Version 1803 for x64-based Systems"},{"status":"affected","version":"10 Version 1803 for ARM64-based Systems"},{"status":"affected","version":"10 Version 1809 for 32-bit Systems"},{"status":"affected","version":"10 Version 1809 for x64-based Systems"},{"status":"affected","version":"10 Version 1809 for ARM64-based Systems"},{"status":"affected","version":"10 Version 1709 for ARM64-based Systems"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2019-1215","source_modified_at":"2025-10-21T23:45:31.121Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Windows Server","vendor":"Microsoft","versions":[{"status":"affected","version":"2008 R2 for x64-based Systems Service Pack 1 (Core installation)"},{"status":"affected","version":"2008 R2 for Itanium-Based Systems Service Pack 1"},{"status":"affected","version":"2008 R2 for x64-based Systems Service Pack 1"},{"status":"affected","version":"2008 for 32-bit Systems Service Pack 2 (Core installation)"},{"status":"affected","version":"2012"},{"status":"affected","version":"2012 (Core installation)"},{"status":"affected","version":"2012 R2"},{"status":"affected","version":"2012 R2 (Core installation)"},{"status":"affected","version":"2016"},{"status":"affected","version":"2016  (Core installation)"},{"status":"affected","version":"version 1803  (Core Installation)"},{"status":"affected","version":"2019"},{"status":"affected","version":"2019  (Core installation)"},{"status":"affected","version":"2008 for Itanium-Based Systems Service Pack 2"},{"status":"affected","version":"2008 for 32-bit Systems Service Pack 2"},{"status":"affected","version":"2008 for x64-based Systems Service Pack 2"},{"status":"affected","version":"2008 for x64-based Systems Service Pack 2 (Core installation)"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2019-1215","source_modified_at":"2025-10-21T23:45:31.121Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Windows 10 Version 1903 for 32-bit Systems","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2019-1215","source_modified_at":"2025-10-21T23:45:31.121Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Windows 10 Version 1903 for x64-based Systems","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2019-1215","source_modified_at":"2025-10-21T23:45:31.121Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Windows 10 Version 1903 for ARM64-based Systems","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2019-1215","source_modified_at":"2025-10-21T23:45:31.121Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Windows Server, version 1903 (Server Core installation)","vendor":"Microsoft","versions":[{"status":"affected","version":"unspecified"}],"defaultStatus":null}],"fixed_versions":[],"cvss":7.8,"severity":"High","kev":{"listed":true,"date_added":"2021-11-03","due_date":"2022-05-03","required_action":"Apply updates per vendor instructions.","ransomware_campaign_use":"Known"},"epss":{"probability":0.19254,"percentile":0.97335,"score_date":"2026-10-23"},"published_at":"2019-09-11T21:24:58.000Z","modified_at":"2025-10-21T23:45:31.121Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2019-1215","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-10-21T23:45:31.121Z"},{"source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/47935","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2020-01-07"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2019-1215","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","Exploit-DB","EPSS"],"references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-1215","source":"CISA KEV"},{"source":"CVE List","url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1215","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-1215","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"active","automatable":"no","technical_impact":"total","assessed_at":"2025-02-07T16:09:48.885850Z"},"exploits":[{"source":"Exploit-DB","kind":"Local exploit","name":"Microsoft Windows 10 (19H1 1901 x64) - 'ws2ifsl.sys' Use After Free Local Privilege Escalation (kASLR kCFG SMEP)","url":"https://www.exploit-db.com/exploits/47935","date":"2020-01-07","added":"2020-01-16","verified":false}],"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2025-10-21T23:45:31.121Z","content_hash":"e9a672ea2178e18d157cddb21ffdc84e60930454ee352b0e4bcf7a47f7866b92"}}